CDBF0530 Schottky Diode Equivalent & Substitute Parts

Part Overview

The CDBF0530 is an active Schottky rectifier diode manufactured by Comchip Technology, designed for surface mount applications in 1005/SOD-323F packaging. This component operates at 20V DC reverse voltage with 500mA average rectified current capability and features fast recovery characteristics suitable for high-frequency switching applications. The part is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1), making it suitable for standard manufacturing environments without special handling requirements.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across all critical parameters, ensuring direct interchangeability in circuit designs without performance degradation.

Substiute Parts

CDBF0530

Comchip TechnologyIn Stock: 1734CDBF0530 Datasheet

Current PartRFQ

CDBFR0520

Comchip TechnologyIn Stock: 5685CDBFR0520 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for Schottky rectifier diodes is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Voltage - DC Reverse (Vr) (Max): 20 V
• Current - Average Rectified (Io): 500 mA
• Voltage - Forward (Vf) (Max) @ If: 470 mV @ 500 mA
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 100 µA @ 20 V
• Capacitance @ Vr, F: 100 pF @ 0V, 1MHz

Mechanical Parameters (Must Match Exactly):

• Package / Case: 1005 (2512 Metric)
• Mounting Type: Surface Mount
• Supplier Device Package: 1005/SOD-323F

Compliance Parameters (Must Match Exactly):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The CDBFR0520 meets all specified criteria and qualifies as a parametric equivalent substitute for the CDBF0530.

Parameter Comparison

Engineering Selection Recommendations

Both CDBF0530 and CDBFR0520 are active products from Comchip Technology with identical electrical and mechanical specifications. Selection between these parts should be based on:

Availability and Lead Time: CDBFR0520 maintains higher inventory levels (5666 pcs) compared to CDBF0530 (1694 pcs), making it the preferred choice when supply chain continuity is a consideration.

Compliance Status: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for commercial and industrial applications.

Manufacturing Continuity: Both parts carry MSL 1 (Unlimited) moisture sensitivity classification, eliminating special storage or handling requirements and supporting standard manufacturing processes.

Direct Substitution: The CDBFR0520 provides direct pin-for-pin and functional equivalence to the CDBF0530 without circuit modification or performance impact.

Frequently Asked Questions (FAQ)

Q: Can CDBFR0520 be used as a direct replacement for CDBF0530 in existing designs?

A: Yes. The CDBFR0520 is a parametric equivalent with identical electrical ratings (20V reverse voltage, 500mA average rectified current, 470mV forward voltage drop), identical fast recovery speed characteristics, and identical 1005/SOD-323F surface mount packaging. No circuit modifications are required.

Q: Are there any differences in thermal performance between these parts?

A: No. Both parts specify identical maximum junction operating temperature of 125°C and identical reverse leakage current of 100µA at 20V, indicating equivalent thermal characteristics.

Q: Do both parts require special handling during manufacturing?

A: No. Both parts carry MSL 1 (Unlimited) moisture sensitivity level, meaning they do not require special moisture control or baking procedures prior to soldering. Standard manufacturing processes apply.

Q: What is the significance of the fast recovery speed specification?

A: The fast recovery specification (≤500ns for currents >200mA) indicates these diodes are optimized for high-frequency switching applications. Both CDBF0530 and CDBFR0520 meet this specification identically.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both parts are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements for commercial, industrial, and consumer applications.

Q: What packaging format is used for these diodes?

A: Both parts use 1005 (2512 Metric) surface mount packaging in SOD-323F configuration, suitable for automated pick-and-place assembly on standard PCBs.